code: def test_batch_BarkScale(self):
      specgram = torch.randn(3, 2, 201, 256)
  
      atol = 1e-6 if os.name == "nt" else 1e-8
      transform = T.BarkScale()
  
      self.assert_batch_consistency(transform, specgram, atol=atol)
  
file_path: audio/test/torchaudio_unittest/prototype/transforms/batch_consistency_test.py
imports: import os
  import torch
  import torchaudio.prototype.transforms
  from torchaudio_unittest.common_utils import TorchaudioTestCase
label_desc: Use image node_id 2 for calling the BatchConsistencyTest obj's underlying member method code with example usage: obj.test_batch_BarkScale() without return types